Hazardous Ozone-Generating "Air Purifiers" Not all air-cleaning devices are appropriate for home use — some can be harmful to human health. ... Ozone is a gas that can cause health problems, including respiratory tract irritation and breathing difficulty (Ozone and Health).

Run an air purifier for dust. The best air purifier for dust on the market utilizes HEPA (High Efficiency Particulate Air) filters. Effective HEPA filters can remove up to 99.97% of airborne particles, helping you effectively control and reduce dust inside your home.

There is little to no moisture in the air and the air purifier, during its recycling process, takes what is left. This dries out the air even further, which causes your sinuses to dry out. ... The first is trying a lower setting on the air purifier, and the second is to add a humidifier to inject moisture to the air.

By adding an air purifier to a room, many of these particles will be trapped before they have time to settle, not only making the air more pleasant to breathe but reducing the accumulation of dust on our tabletops, books, and shelves. The most important tool for filtering out dust is a true HEPA filter.